[VrShell] Centralize color handling and enable close button on fullscreen

chrome/browser/android/vr_shell/textures/ui_texture.cc

Index: chrome/browser/android/vr_shell/textures/ui_texture.cc
diff --git a/chrome/browser/android/vr_shell/textures/ui_texture.cc b/chrome/browser/android/vr_shell/textures/ui_texture.cc
index 99b9705361b604169d7d76a013dd8d18ba0a04bf..50d374810abb9cc754ae1cdc76f1f9cd28cfe6b4 100644
--- a/chrome/browser/android/vr_shell/textures/ui_texture.cc
+++ b/chrome/browser/android/vr_shell/textures/ui_texture.cc
@@ -13,6 +13,7 @@
 #include "base/memory/ptr_util.h"
 #include "base/strings/string_util.h"
 #include "base/trace_event/trace_event.h"
+#include "chrome/browser/android/vr_shell/color_scheme.h"

[cjgrant, 2017/06/05 17:57:08]

This is already in ui_texture.h

[amp, 2017/06/05 21:40:58]

Done.

 #include "chrome/browser/android/vr_shell/font_fallback.h"
 #include "chrome/browser/browser_process.h"
 #include "third_party/icu/source/common/unicode/uscript.h"
@@ -65,6 +66,10 @@ void UiTexture::SetMode(ColorScheme::Mode mode) {
 
 void UiTexture::OnSetMode() {}
 
+const ColorScheme& UiTexture::color_scheme() const {
+  return ColorScheme::GetColorScheme(mode());
+}
+
 std::vector<std::unique_ptr<gfx::RenderText>> UiTexture::PrepareDrawStringRect(
     const base::string16& text,
     const gfx::FontList& font_list,